Production in Chile fell more than 5% in April from the prior month and output was down 1% from a year ago.

Congo has been making huge strides thanks largely to the high-grade ore now being tapped by Ivanhoe Mines.

The Lundin Family Trusts will subscribe for up to C$70 million of the shares, and the BHP Group will subscribe for up to C$30 million.

The company said it had incorrectly deducted leave on public holidays since 2010 for an average of six leave days in total per person.

The southern African country is reeling from power cuts of up to 12 hours daily.

"Miners need to do a better job not just meeting, but exceeding ESG expectations," said Jonathan Price.

The solar power plants will initially be located in the mining-rich state of Minas Gerais, which has ideal conditions and fiscal incentives.

First study of its size will be use Health Canada-registered antimicrobial copper fixtures and surfaces.